:root{color-scheme:dark;--bg:#171d23;--panel:#222b33;--panel2:#28323b;--line:#3a4651;--text:#f0f3f5;--muted:#b1bdc8;--accent:#ff6a2e;--green:#72df9d;--amber:#f6c764;--red:#ff807d;font-family:Arial,'Segoe UI',sans-serif;font-size:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);line-height:1.5;min-width:320px}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.2}a{color:inherit;text-decoration:none}button,input,select{font:inherit;color:inherit}button{cursor:pointer}button,input,select{min-height:44px}button:disabled{opacity:.5;cursor:not-allowed}button,a,input,select{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #ff9e70;outline-offset:4px}.skip{position:fixed;top:5px;left:5px;transform:translateY(-160%);background:var(--accent);color:#15191d;padding:10px;z-index:50}.skip:focus{transform:none}button svg,a svg{pointer-events:none}.icon{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.sidebar{position:fixed;inset:0 auto 0 0;width:222px;background:#11181e;border-right:1px solid #343f48;padding:28px 17px;display:flex;flex-direction:column}.app-brand{font-size:38px;font-weight:900;letter-spacing:-.055em;line-height:1;margin:0 13px 40px;display:block}.app-brand span{display:block;letter-spacing:.13em;color:#8f9ba7;font-size:9px;font-weight:500;margin-top:12px}.nav-button{display:flex;align-items:center;gap:14px;width:100%;padding:13px 14px;margin-bottom:7px;border:0;border-radius:4px;background:transparent;color:var(--muted);font-size:14px;text-align:left}.nav-button:hover{background:#263139;color:#fff}.nav-button.active{background:var(--accent);color:#15191d;font-weight:600}.sidebar-foot{margin-top:auto;padding:25px 12px 0;border-top:1px solid var(--line)}.sidebar-foot>span{font-size:11px;color:#8f9da8;letter-spacing:.09em;line-height:1.7}.sidebar-foot a{display:block;margin-top:25px;font-size:12px;color:#b6c0c9}.workspace{margin-left:222px}.app-header{padding:22px 30px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:16px;background:#1b242b}.header-title{font-size:21px;font-weight:600}.site-name{color:#acb8c4;font-size:13px}.header-right{display:flex;align-items:center;gap:22px}.demo-label{font-size:11px;letter-spacing:.09em;color:#d1dae1;border:1px solid #56616b;padding:6px 9px;border-radius:3px}.icon-button{border:1px solid #53606b;border-radius:4px;background:transparent;min-width:42px;font-size:23px}.icon-button:hover{background:#34414b}main{padding:30px;max-width:1680px;margin:auto;min-height:70vh}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:25px}.page-heading h1{font-size:28px;letter-spacing:-.03em;font-weight:650}.page-heading p{color:var(--muted);font-size:14px;margin-top:8px}.date{font-size:12px;padding:9px 13px;border:1px solid var(--line);border-radius:4px;color:#c4cdd4;white-space:nowrap}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:23px}.stat{border:1px solid var(--line);background:var(--panel);border-radius:5px;padding:21px 23px;display:flex;gap:19px;align-items:center}.status-dot{display:inline-block;width:11px;height:11px;border-radius:50%;background:var(--green);flex-shrink:0}.status-dot.warning{background:var(--amber)}.status-dot.off{background:#99a5af}.status-dot.danger{background:var(--red)}.stat .status-dot{width:17px;height:17px}.stat strong{font-size:35px;line-height:1;font-weight:650}.stat p{color:var(--muted);font-size:14px;margin-top:7px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:5px;overflow:hidden}.panel-head{padding:19px 21px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap}.panel-head h2{font-size:19px;letter-spacing:-.02em}.panel-head h3{font-size:17px}.panel-head>a,.panel-head>button{color:#bdd2df;font-size:12px;text-decoration:underline;text-underline-offset:3px;background:none;border:0;padding:0;min-height:24px}.state{display:flex;align-items:center;gap:9px;font-size:13px;white-space:nowrap}.main-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;margin-bottom:20px}.bottom-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:20px}.air-diagram{padding:20px 20px 0}.air-diagram svg{width:100%;height:auto;display:block;max-height:180px}.air-diagram text{fill:#d7e1e8;font-family:Arial,sans-serif;font-size:13px}.air-diagram .air-arrow{stroke:#8fbbd9;stroke-width:2;fill:none;stroke-dasharray:7 6}.air-diagram.running .air-arrow{animation:airflow 2s linear infinite}.air-diagram.running .fan-blades{animation:fan 7s linear infinite;transform-origin:250px 70px}.air-diagram .coil{stroke:var(--accent);stroke-width:3;fill:none}.air-diagram.stopped{opacity:.6}.readings{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;padding:20px;border-top:1px solid var(--line);margin-top:10px}.reading span{display:block;color:var(--muted);font-size:12px;margin-bottom:7px}.reading strong{font-size:17px;font-weight:600}.events-preview{padding:3px 20px}.event-item{padding:18px 0;display:grid;grid-template-columns:15px 1fr;gap:12px;border-bottom:1px solid var(--line)}.event-item:last-child{border:0}.event-item .status-dot{margin-top:5px;width:9px;height:9px}.event-item strong{font-size:14px;font-weight:500;display:block}.event-item p{color:var(--muted);font-size:12px;margin-top:5px}.event-item time{font-size:11px;color:#b1bec9;display:block;margin-top:7px}.trend{padding:16px 20px 12px}.trend svg{width:100%;height:auto;display:block;overflow:visible}.trend text{font-size:11px;font-family:Arial,sans-serif;fill:#b8c7d2}.chart-legend{display:flex;gap:18px;font-size:11px;color:#b9c8d2;padding:10px 0;flex-wrap:wrap}.chart-legend span:before{content:'';display:inline-block;width:20px;height:2px;background:var(--accent);margin-right:6px;vertical-align:middle}.chart-legend span:last-child:before{background:#b7c5cf}.equipment-list{padding:0 19px}.equipment-row{width:100%;padding:17px 0;display:flex;align-items:center;gap:12px;background:none;border:0;border-bottom:1px solid var(--line);text-align:left}.equipment-row:last-child{border:0}.equipment-row:hover strong{color:#ffb088}.equipment-row>span:nth-child(2){flex:1}.equipment-row strong{display:block;font-size:14px;font-weight:500}.equipment-row small{display:block;font-size:12px;color:var(--muted);margin-top:4px}.equipment-row>b{font-size:14px;font-weight:500}.equipment-row>i{font-style:normal;font-size:20px;color:var(--muted)}.equipment-row>span.status-dot{width:9px;height:9px}.unit-tabs{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap}.unit-tab{padding:10px 18px;background:transparent;border:1px solid #52616c;border-radius:4px;font-size:14px}.unit-tab.active{color:#ffb088;border-color:var(--accent);background:#3f2e26}.unit-workspace{display:grid;grid-template-columns:1.3fr 1fr;gap:20px;align-items:start}.unit-left{display:grid;gap:20px}.control-content{padding:22px}.big-reading{padding:0 0 24px;border-bottom:1px solid var(--line);margin-bottom:23px}.big-reading strong{font-size:48px;letter-spacing:-.04em;font-weight:600;display:block;line-height:1.1}.big-reading span{color:var(--muted);font-size:13px;display:block;margin-top:10px}.control-label{font-size:14px;color:#d0d8de;display:block;margin-bottom:10px}.stepper{display:flex;align-items:center;justify-content:space-between;border:1px solid #51616e;border-radius:4px;padding:7px;gap:10px;margin-bottom:20px}.stepper button{width:47px;min-height:44px;background:#303c46;border:1px solid #54616c;font-size:26px;border-radius:3px}.stepper input{font-size:26px;text-align:center;width:120px;max-width:60%;background:transparent;border:0;font-weight:600;appearance:textfield}.stepper input::-webkit-inner-spin-button{appearance:none}.field{display:grid;gap:9px;margin-bottom:20px;font-size:14px;color:#d0d8de}select{width:100%;min-width:0;border:1px solid #51616e;border-radius:4px;background:#1a232b;padding:13px 12px;font-size:15px}.button{border:1px solid transparent;border-radius:4px;padding:13px 18px;font-size:14px;font-weight:600;min-height:47px;text-align:center}.primary{background:var(--accent);color:#171b20}.primary:hover{background:#ff915f}.secondary{background:transparent;border-color:#8797a3;color:#eef2f4}.secondary:hover{background:#34434e}.control-content>.button{display:block;width:100%;margin-top:10px}.control-note{color:#a9b7c3;font-size:12px;margin-top:15px}.simulation-note{margin:0 30px 24px;color:#9caab5;font-size:12px;max-width:1000px}.mobile-nav{display:none}.lights-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.zone-card{padding:22px}.zone-card .icon{width:34px;height:34px;color:#b4bec6;margin-bottom:26px}.zone-card.on .icon{color:var(--amber)}.zone-card h2{font-size:20px;margin-bottom:8px}.zone-card p{color:#b7c2ca;font-size:14px}.zone-card .button{width:100%;margin-top:25px}.event-list{padding:0 24px}.event-list .event-item{padding:23px 0}.event-list strong{font-size:16px}.event-list p{font-size:14px}.event-actions{display:flex;gap:12px;margin-bottom:20px;align-items:center;justify-content:space-between;flex-wrap:wrap}.event-actions select{width:auto;min-width:180px}.notice{border:1px solid #775e2b;background:#3a3426;padding:15px 20px;color:#efdaad;border-radius:4px;margin-bottom:20px;font-size:14px}.notice .button{float:right;margin-left:15px;min-height:34px;padding:5px 13px;font-size:12px}.heating-hero{padding:28px;display:flex;align-items:center;gap:25px}.heating-hero>.icon{width:90px;height:90px;stroke:var(--accent);stroke-width:1}.heating-hero strong{font-size:40px;display:block}.heating-hero p{color:var(--muted);font-size:14px}.heating-hero span{font-size:12px;color:var(--muted)}dialog{color:var(--text);background:#222c35;border:1px solid #637582;border-radius:6px;width:min(490px,calc(100% - 28px));padding:30px}dialog::backdrop{background:#080e17bf;backdrop-filter:blur(4px)}dialog h2{font-size:26px;margin:17px 0}#commandText{font-size:16px;line-height:1.6}.eyebrow{font-size:11px;letter-spacing:.13em;color:#c3cbd0}.dialog-note{font-size:13px;color:var(--muted);margin-top:15px}.dialog-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:25px}#toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);background:#f1f3ef;color:#1c2429;padding:13px 22px;border-radius:4px;max-width:calc(100% - 40px);font-size:14px;box-shadow:0 10px 40px #0006;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:50}#toast.show{opacity:1;transform:translate(-50%,0)}@keyframes fan{to{transform:rotate(360deg)}}@keyframes airflow{to{stroke-dashoffset:-26}}@media(min-width:1650px){.sidebar{width:245px}.workspace{margin-left:245px}.main-grid{grid-template-columns:1.9fr 1fr}main{padding:38px}.air-diagram svg{max-height:220px}}@media(max-width:1150px){.sidebar{width:188px;padding:25px 12px}.app-brand{font-size:35px;margin-left:10px}.app-brand span{font-size:8px}.workspace{margin-left:188px}.nav-button{padding:12px 9px;font-size:13px;gap:10px}.app-header{padding:20px}main{padding:23px 20px}.main-grid{grid-template-columns:1fr}.bottom-grid{grid-template-columns:1fr 1fr}.events-preview{display:grid;grid-template-columns:1fr 1fr;gap:20px}.events-preview .event-item{border:0}.stats{gap:12px}.stat{padding:17px 15px;gap:12px}.stat p{font-size:12px}.panel-head h2{font-size:17px}.unit-workspace{grid-template-columns:1.2fr 1fr}.readings{gap:10px;padding:15px}.lights-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.sidebar{display:none}.workspace{margin:0}.app-header{padding:18px 19px;align-items:flex-start}.header-title{font-size:19px}.site-name{font-size:11px}.header-right{gap:10px;align-items:center}.demo-label{font-size:9px;letter-spacing:.02em;padding:5px}.icon-button{font-size:22px;min-width:35px;min-height:35px}.app-header .icon-button{display:none}main{padding:23px 16px 18px;min-height:65vh}.page-heading{margin-bottom:20px}.page-heading h1{font-size:25px}.page-heading p{font-size:13px}.date{display:none}.stats{gap:8px;margin-bottom:17px}.stat{padding:15px 10px;gap:8px;align-items:flex-start}.stat .status-dot{width:8px;height:8px;margin-top:7px}.stat strong{font-size:27px}.stat p{font-size:10px;line-height:1.5}.main-grid,.bottom-grid{display:flex;flex-direction:column;gap:17px;margin-bottom:17px}.panel-head{padding:17px}.panel-head h2{font-size:18px}.state{font-size:12px;gap:6px}.state .status-dot{width:8px;height:8px}.readings{padding:16px;gap:15px;grid-template-columns:1fr 1fr}.reading:last-child{grid-column:1 / -1}.reading span{font-size:12px}.air-diagram{padding:15px 6px 0}.events-preview{display:block;padding:0 17px}.events-preview .event-item{border-bottom:1px solid var(--line)}.events-preview .event-item:last-child{border:0}.equipment-list{padding:0 17px}.trend{padding:15px}.simulation-note{font-size:11px;margin:0 17px 105px}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:15;border-top:1px solid #43505b;background:#141c23;padding:9px 7px calc(8px + env(safe-area-inset-bottom));justify-content:space-around;box-shadow:0 -6px 20px #10182040}.mobile-nav button{min-width:0;flex:1;background:transparent;border:0;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:10px;color:#b5c1cb;padding:5px 0;min-height:52px}.mobile-nav button.active{color:#ff9b6a}.mobile-nav .icon{width:23px;height:23px}.unit-tabs{gap:8px}.unit-tab{padding:8px 12px;font-size:13px}.unit-workspace{display:flex;flex-direction:column;gap:17px}.unit-left{width:100%;order:2}.unit-workspace>.control-panel{width:100%;order:1}.unit-left>.unit-schematic{display:none}.big-reading strong{font-size:47px}.control-content{padding:22px}.stepper input{font-size:27px}.lights-grid{grid-template-columns:1fr 1fr;gap:12px}.zone-card{padding:17px}.zone-card h2{font-size:18px}.zone-card p{font-size:12px}.zone-card .button{font-size:12px;padding:12px 8px}.event-actions select{min-width:160px;font-size:13px}.event-actions .button{font-size:12px;padding:10px}.event-list{padding:0 17px}.event-list strong{font-size:14px}.event-list p{font-size:12px}.notice{font-size:13px;padding:14px}.notice .button{float:none;display:block;margin:10px 0 0}#toast{bottom:100px;width:max-content;text-align:center}.heating-hero{padding:24px}.heating-hero>.icon{width:65px;height:65px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}
/* Service requests and cooling */
.quick-links{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}.ticket-layout{display:grid;grid-template-columns:minmax(260px,.7fr) minmax(0,1.3fr);gap:24px;align-items:start}.ticket-list{display:grid;gap:18px}.ticket-description,.ticket-messages{white-space:pre-wrap;overflow-wrap:anywhere}.ticket-description{margin:18px 0}.ticket-messages p{padding:12px 0;border-top:1px solid var(--line);font-size:14px}.ticket-messages small{color:var(--muted)}.ticket-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.ticket-status{font-size:12px;border:1px solid var(--line);padding:4px 9px;border-radius:4px}.ticket-status.new{color:var(--amber)}.ticket-status.in_progress{color:#9ed7ff}.ticket-status.resolved,.ticket-status.closed{color:var(--green)}.field input,.field textarea{width:100%;min-width:0;background:#1a232b;border:1px solid #51616e;color:var(--text);padding:12px;border-radius:4px;font:inherit}.field textarea{resize:vertical;min-height:80px}.field textarea:focus-visible{outline:3px solid #ff9e70;outline-offset:3px}.ticket-card h2{overflow-wrap:anywhere}.cooling-hero>.icon{stroke:#91cfff}.cold-loop{display:flex;gap:12px;align-items:center;justify-content:center;flex-wrap:wrap;padding:20px;color:#b8deef}.cold-loop span{padding:12px;border:1px solid #506b7c;border-radius:4px;font-size:13px}.ticket-comment{margin-top:20px}.sidebar{overflow-y:auto}.ticket-layout>*,.unit-workspace>*{min-width:0}
@media(max-width:1000px){.ticket-layout{grid-template-columns:1fr}.ticket-layout>section{min-width:0}}
@media(max-width:760px){.mobile-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding-top:4px}.mobile-nav button{min-height:45px;gap:2px;padding:3px 0;font-size:10px}.mobile-nav .icon{width:18px;height:18px}.simulation-note{margin-bottom:135px}#toast{bottom:135px}.ticket-layout{gap:20px}.ticket-card .control-content{padding:17px}.ticket-actions .button{flex:1}.quick-links .button{font-size:12px}.cold-loop{gap:7px;padding:14px}.heating-hero strong{font-size:35px}}